He often looks at GasBuddy.com, a Web site in which motorists share prices.
Proof that competitors have shared prices can be used as part of the evidence of an illegal price fixing agreement.
What's happened to share prices doesn't matter a jot.
What happens to share prices is just an indicator of where business think the economy is going.
Both groups share relatively high prices, with the average rate for a double room in most of them running upwards of $250 a night.
The drop hurts Edper managers, whose compensation is linked to share prices.
Priorat wines share something else with many of these wines: high prices.
Unless and until they subside, share prices could be under continued pressure.
So they questioned the relevance of comparisons to share prices before the earnings announcement.
At present, the airlines are required to share their ticket availability and prices with all computer reservation systems.